: : <<< 550 <x-ray at sehwamedical.co.kr>... Relaying denied
: : 550 5.1.1 <x-ray at sehwamedical.co.kr>... User unknown
:
: /etc/mail/relay-domains 에
:  sehwamedical.co.kr
: 을 입력하고
:
: /etc/mail/access 파일에
:
:  sehwamedical.co.kr  RELAY
:
: 를 입력한 다음 /etc/mail 디렉토리에서
: 
:  makemap hash access <access
:
: 해 보십시오.
:
: http://www.sendmail.org/tips/relaying.html : 여기를 참고해 보십시오.
 위에대로 하니까 아래의 리턴 메일이 왔네요..
mx설정이 잘못된것 같은데 도무지 무슨말인지 잘 몰라서
부탁합니다. 가르처 주세요..
 ----- The following addresses had permanent fatal errors -----
<x-ray at sehwamedical.co.kr>
 ----- Transcript of session follows -----
553 sehwamedical.co.kr. config error: mail loops back to me (MX problem?)
554 <x-ray at sehwamedical.co.kr>... Local configuration error
  Reporting-MTA: dns; ns2.kjlife.net
Received-From-MTA: DNS; [211.62.252.62]
Arrival-Date: Thu, 23 Nov 2000 14:15:37 +0900
 Final-Recipient: RFC822; x-ray at sehwamedical.co.kr Action: failed
Status: 5.5.0
Remote-MTA: DNS; sehwamedical.co.kr
Last-Attempt-Date: Thu, 23 Nov 2000 14:15:40 +0900